there were 49 people on board, including soldiers who were being rotated to replace troops stationed in the region. the plane was carrying weapons and other military equipment. ukraine's newly inaugurated president, petro poroshenko, called for a cease-fire within the week, but the situation in the region has only worsened. officials in russia and ukraine are pointing fingers at each other over the movement of tanks and other military vehicles. both sides accuse the other of sending the vehicles across their common border. authorities in ukraine say russian tanks entered their country. they say president poroshenko brought up the issue during a phone call with his russian counterpart, vladimir putin. officials in moscow had no comment about the allegation but they say at least one ukrainian armored vehicle has crossed into russia. they say officials at the foreign ministry lodged a protest. fighting continues between government forces and pro-russian militants in eastern ukraine.